From 2c1ef65a04de8d61fddee55c7a2f0673d69235d5 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 7 Mar 2011 18:59:39 -0700 Subject: llvmpipe: clamp texcoords in lp_build_sample_compare() See previous commit for more info. NOTE: This is a candidate for the 7.10 branch. --- src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src') diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c index 1fec3adf5b..9961ba08f3 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c @@ -1108,6 +1108,11 @@ lp_build_sample_compare(struct lp_build_sample_context *bld, coord, tex); } + /* Clamp p coords to [0,1] */ + p = lp_build_clamp(&bld->coord_bld, p, + bld->coord_bld.zero, + bld->coord_bld.one); + /* result = (p FUNC texel) ? 1 : 0 */ res = lp_build_cmp(texel_bld, bld->static_state->compare_func, p, texel[chan]); -- cgit v1.2.3